That is a nightmare come true. Please, Danny Lemon and Top Knot, lawyer up immediately. The worst part:

"Kiwi Self Storage Units director Andrew Fraser said it was not the industry standard to have sprinklers at storage units, but the company would look at installing them at its other storage facilities."

My regards. That is just a horrible situation.

"Touch them magically with the rod of melody, We will never let them go" Roy Shirley, Touch Them

Absolutely devastating, a hopeless situation. I hope he at least had backups to be able to still listen to his collection, not that this would be any consolation for losing actual copies of rarities, investment lost or the emotional pangs. My condolences.